144242328490 has 16 divisors (see below), whose sum is σ = 279608206248. Its totient is φ = 53258705856.

The previous prime is 144242328463. The next prime is 144242328491. The reversal of 144242328490 is 94823242441.

It can be written as a sum of positive squares in 4 ways, for example, as 111306975129 + 32935353361 = 333627^2 + 181481^2 .

It is not an unprimeable number, because it can be changed into a prime (144242328491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554778057 + ... + 554778316.

Almost surely, 2^144242328490 is an apocalyptic number.

144242328490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144242328490 is a deficient number, since it is larger than the sum of its proper divisors (135365877758).

144242328490 is a wasteful number, since it uses less digits than its factorization.

144242328490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109556393.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 144242328490 in words is "one hundred forty-four billion, two hundred forty-two million, three hundred twenty-eight thousand, four hundred ninety".